68807720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2642

約数の個数: 64

約数和(自身を含む): 167184000

約数和(自身を除く): 98376280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1334, 2579, 2668, 3335, 5158, 5336, 6670, 10316, 12895, 13340, 20632, 25790, 26680, 51580, 59317, 74791, 103160, 118634, 149582, 237268, 296585, 299164, 373955, 474536, 593170, 598328, 747910, 1186340, 1495820, 1720193, 2372680, 2991640, 3440386, 6880772, 8600965, 13761544, 17201930, 34403860, 68807720]

約数ペア:

[(1, 68807720), (2, 34403860), (4, 17201930), (5, 13761544), (8, 8600965), (10, 6880772), (20, 3440386), (23, 2991640), (29, 2372680), (40, 1720193), (46, 1495820), (58, 1186340), (92, 747910), (115, 598328), (116, 593170), (145, 474536), (184, 373955), (230, 299164), (232, 296585), (290, 237268), (460, 149582), (580, 118634), (667, 103160), (920, 74791), (1160, 59317), (1334, 51580), (2579, 26680), (2668, 25790), (3335, 20632), (5158, 13340), (5336, 12895), (6670, 10316)]